Bung-seal



Nov. 10, 1931. $E|Tz 1,931,199

BUNG SEAL Filed June 12, 1930 INVEN TOE, Mar f1 jef/z.

TTOENEY Patented Nov. 10, 1931 UNITED MARTIN SEITZ, OF ST. LQUI$, MISSOURI ZBUNG-SEAL Application filed. June 12,

This invention relates generally to bung seals and, more particularly, to a certain new and useful improvement in devices adapted to prevent unauthorized removal of a bung 6 or like closure from the container.

My invention has for its chief objects to provide a device of the kind described adapted to lockably enclose or house the head of the bung to prevent manipulative access thereto;

10 to provide, in such a device, means for removably mounting the device in operative association with the bung retainably on the con tainer; and to provide a simple, inexpensive and highly eflicient article adapted to be employed in connection with a bung for the purposes intended.

And with the above and other objects in view, my invention resides in the novel features of form, construction, arrangement, and

combination of parts hereinafter described and pointed out in the claims. In the accompanying drawings;-

Figure 1 is a fragmentary partly sectional view of a container and its ung, equipped with a bung-seal embodying my invention;

Figure 2 is an enlarged transverse sectional view of the seal operatively shown in connection with the sealed bung and a fragment of the container;

Figure 3 is a top-Elan view of the seal, the head of the sealed ung being indicated in dotted lines; and

Figure 4 is a view,-similar to Figure 2, of a modified form of bung-seal embodying my invention.

Referringnow more in detail and by reference characters to' the drawings, which illustrates practical embodiments of my invention, A designates a container or drum of standard type, one end wall a of which is provided, as-is usual, with a discharge-outlet in the form of an internally threaded neck 1 opening into a depression or recess cludes a hexagonal wrench-engageable head 3 and a threaded shank 4 adapted to be threaded into the outlet 1, a suitable gasket 5 2 in the drum end-wall a and adapted for? 1930. Serial No, 460,580.

being preferably disposed between the head 3 and the wall a bounding the outlet 1.

For preventing unauthorized access to or removal of the bung B from the container A, I provide my improved bung-seal, which 05 v comprise a housing including a member C mountable with the bung B retainably on the container A, and a bung-enclosure D adapted to cap the wrench-engageable head 3 of the bung B and with a seal E to be connectedwith 00 the member C in such manner as to prevent manipulative access to the plug B unless the seal E is broken or the cap D deformed, destroyed, or otherwise disrupted.

1n the preferred form of the device shown in Figures 2 and 3, the member-C comprises a plate preferably in the form of a disc suitably apertured, asat 6, for reception of the shank or stem 4 of the bung B for flatwise residing against the under side of the head 3, between which and the gasket 5 the disc C is adapted to be retained, though not necessarily engaged, when the bung B is inserted in the container A.

Laterally projecting from the upper or 7 bung-engaging face of the disc C, is a tongue 7 apertured at or adjacent its free or outer end, as at 8, and adapted to be received through. or accommodated-by a slot 9 provided for the purpose correspondingly in the end-wall 10 of the cap D.

Preferably crimped or otherwise fixed to the end-wall 10 of the cap D, is a lateral circumferential or peripheral flange 11 of a depth adapted to effectively house the head '3 of the bung B, a portion of the flange, 11 being extended and reversely bent for projection through the slot 9 to provide a tongue 12 having at its end an aperture 13 adapted for seal-receptive registration with the aperture 8 of the tongue 7.

v The cap D is preferably marginally hinged or otherwise swingably attached to the disc O preferably by a bendable strip 14 integrally uniting the flange 11 with the disc G opposite the tongues 7 and 12, which construction, it will be seen, provides for the permanent connection of the disc C and cap D, so that separation thereof may not be efi'ected'without' breaking the strip 14 and hence patently di 106 closing the fact that the device has been tampered with.

-s D is hingedly swung flexingly on the strip 14, and hence set against the disc C, the end wall 10 and flange 11, respectively, enclose the end and side of the head 3 in such manner that the bung-head 3 is entirely housed and inaccessible for wrench-engaging purposes.

The apertures 8, 13, being in register, the members C and D are lockably engaged by means of a conventional type of wire-seal E, which is applied with its wire 15 inserted through said apertures 8, 13, and the ends of the wire sealably leaded together, at 16, as

will be understood, and as most clearly seen in Figure 1.

For removing the bung, the seal E is broken, and the cap D swung widely open to accessibly expose the head 3 of the bung B for wrench manipulative engagement therewith. lVhen the bung B is withdrawn from the container A, the disc C may readily be removed from the stem 4 and discarded, if desired, or used again, if the 'condition of the hinge-strip 14 will so permit.

However, the preferred form of the device, 7

such repeti-- as described, is not intended for tive use, as the hinge-strip 14 will fracture or break apart with repeated flexure. Hence, when it is advantageous to use the same seal over again, I prefer to employ the modified form of the device shown in Figure 4, wherein the disc C apertured, as before, for encircling the stem 4 of the bung B, is provided with a. pair of laterally projecting approximately parallel tongues 7 each apertured at its free end, as at 8, and adapted to be received or accommodated by respective slots 9 provided for the purpose in the end-wall 10 of the cap D. And the cap D has opposite portions of its flange 11 exvide tongues 12' tended and each reversely bent for projection respectively through the said slots 9 to proeach having at its free end adapted for seal-receptive an aperture- 13 of the reregistration with the aperture 8' spective tongues 7 A permanent connection between the disc C and the cap D is hence omitted, and the same are freely separable, as indicated by dot-dash lines in Figure 4. When the cap D is mounted on the disc C for enclosing the head of the bung B, however, suitable seals,

such as the seal E, may be applied through each pair of the registering apertures 13, 8, as will be understood, the use of the device being in other respects as heretofore set forth, or, if desired, one seal E may usefully be employed for sealing purposes, as shown in Figure 4, the wire 15 of which being inserted successively through both pairs of registering apertures 8, 13, and the ends of the wire 15 leaded together, as at 16.

It will be seen that my new device provides for a simple, compact, inexpensive, readily applied and manipulated, and highly efficient article suitably for the purpose in tended,.and I might add that in practice my new bung-seal is preferably manufactured of relatively light and cheap material, so that it may with economy be discarded, if desired, after each individual sealing of the container, thus avoiding the annoyance of having an awkward and obstructive lid or cover permanently attached to the container.

It will be understood that changes and modifications in the form, construction, arrangement, and combination of the several parts of the device may be made and substituted for those herein shown and described without departing from the nature and principle of my invention.

Having thus described my invention, what I claim and desire to secure by Letters Patent is:

1. A bung-seal including a disc apertured for engagement with theshank of the bung and for retention by the bung on the container, tively to with the the end wall of the cap having a slot, a lateral tongue on the cap adjacent said slot, a lateral tongue on the disc adapted for projection through'said slot for registration with tongue of the cap, and means adapted for connecting said tongues one with the other for retaining the ca against movement relatively to the disc or preventing unauthorized removal of the bung from the container.

2. A bung-seal comprising a disc adapted for engagement with the shank of the bung, a flanged cap hinged to the disc and adapted for swingable co-operation with the disc for housing the-head of the bung, and means for retainin the cap against swingable movement re atively to the disc for preventing unauthorized removal of the bung from-the container. I

3. A bung-seal comprising a disc adapted for engagement with the shank of, and to be mounted on the container with, the bung, a

enclosure for hingedly connecting the same,

and other means including members respectively carried by the disc and enclosure adapt- LQSLIQQ ed for connective registration for retaining the enclosure against swingable movement relatively to the disc for preventing unauthorized removal of the hung from the container.

4. A bung-seal including an apertured disc adapted to reside against the underside of the head of the bung for retention thereby on the container, a. first tongue laterally projecting from the hung-engaging face of the disc, a bung-enclosure hinged to the disc and including an end Wall and a lateral flange for enclosing the head of the bung, said end Wall being apertured for accommodating the first tongue, and a second tongue provided on said enclosure adapted for connective registration with said first tongue for retaining the enclosure against swingable movement relatively to the disc for preventing unauthorized removal of the bun from the container.

In testimony whereo I have signed my name to this specification.

MARTIN SEITZ. 

